方法BeanUtils.copyProperties
//.h#import <Foundation/Foundation.h>#import <objc/runtime.h>@interface BeanUtils : NSObject+(void)copyProperties:(id)src dest:(id)dest;@end
//.m#import "BeanUtils.h"@implementation BeanUtils+(void)copyProperties:(id)src dest:(id)dest { NSLog(@"classeSrc=%@ dst=%@", [src class], [dest class]); if(src == NULL || dest == NULL) { return; } Class clazz = [src class]; u_int count; objc_property_t* properties = class_copyPropertyList(clazz, &count); NSMutableArray* propertyArray = [NSMutableArray arrayWithCapacity:count]; for (int i = 0; i < count ; i++) { NSString *propertyName = [NSString stringWithUTF8String:property_getName(properties[i])]; [propertyArray addObject:propertyName]; //on verifie que la prop existe dans la classe dest objc_property_t prop = class_getProperty([dest class], [propertyName UTF8String]); if(prop != NULL) { id result = [src valueForKey:propertyName]; [dest setValue:result forKey: propertyName]; } else { [NSException raise:NSInternalInconsistencyException format:@"La propriété %@ n'existe pas dans la classe %@",propertyName, [dest class] ]; } } free(properties); }@end致电：
EleveBean *eleveBean = [EleveBean new];eleveBean.nom = @"bob";eleveBean.prenom = @"john";tns1_EleveBean *tnsEleve = [tns1_EleveBean new];[BeanUtils copyProperties:eleveBean dest:tnsEleve];STAssertEquals(eleveBean.nom, tnsEleve.nom, @"");STAssertEquals(eleveBean.prenom, tnsEleve.prenom, @"");
